Relief-valve for fireless cookers.



H. KIBBLE.

BELIEF VALVE FOR IIRELEBS OOOKERS.

APPLIOATION FILED SEPT. 11,1911.

1 ,1 1 7,399, Patented Nov. 17, 1914.

THE NORRIS PETERS CO1, PHOTO-THO. WASHINGTON. D1 C ATS FFIQEO HECTOR KIBELE, OF BLUFFTON, OHIO, ASSIGNORTO THE DILLER MANUFACTURING COMPANY, OF BLUFIE'TON, OHIO, A CORPORATION OF OHIO.

RELIEF-VALVE FOR FIRELESS COOKERS.

To all whom it may concern Be it known that I, Hnc'ron Kinnnn, a citizen of the United States, residing at Bluliton, in the county of Allen and State of Ohio, have .invented certain new and useful Improvements in Relief- Valves for Fireless Cookers, of which the following is a specification, reference being had therein to the accompanying drawing.

This invention relates to tireless cookers and more particularly to means for relieving and disposing of the surplus steam gen erated in such cookers.

Particularly in that type of cooker which employee the heat-retaining devices or radiators considerable quantities of surplus steam are enerated and it is desirable that some means be provided to relieve the pres sure within the cooker caused by the accumulation of this steam.

To this end it is an object 0f the invention to provide a relief valve which will permit the escape of the proper quantities of steam and will be of such a simple c011- struction that it will not become disar- "anged or rendered inoperative in the course of itsordinary use.

It is a further object to provide means for condensing the steam escaping about the valve and delivering the water of condensation to a suitable receptacle, thereby preventing either the water or the steam escaping into the room.

Further, it is an object of the invention to so construct and arrange the device that it may be mounted upon the hinged lid of the cooker and, when the lid is raised, the water will not escape from the receptacle and the valve will not be so disarranged that it will .not return to its normal position when the lid is closed.

It is a further object of the invention to so construct the device that it can beproduced at a low cost and will be of a very durable character, there being no parts which will wear out.

In the accompanying drawings, Figure 1 is a vertical, sectional view of a cooker embodying my invention; Fig. 2 is a vertical section taken centrally through the device as a whole; and Fig. 3 is a top plan view of the device.

In these drawings I have illustrated one embodiment of the invention and have shown the same as applied to a tireless Serial No. 648,755.

cooker comprising a body portion or food receptacle 1 having hinged thereto the usual lid or hinged closure Preferably, the relief port is termed in the lid, although it may be formed in other parts oil. the cooker. As here shown the relief port is provided with a metal bushing 3 within which fits the lower portion oil a tube l. The lit be tween the tube l and the bi'ishiug is a friction lit which will prevent the escape oil steam but which will permit the tube to be readily removed. The tube 1: is normally closed by means of a suitable valve which will be automatically opened when the steam pressure within the cooker has reached a predetermined degree. In the present instance the outer end of the tube l is provided with a valve seat 5 which is formed by providing the outer end of the tube with an inuuirdly extending annular flange 6, the outer sm'face of which is concave to form a siat upon which the valve member may be seated, this valve member preferably comprising a ball 7. The weight of this ball is such that when the steam pressure within the cooker becomes excessive the ball will be lifted from its seat to permit the steam to escape through the tube 4t and about the valve.

To prevent the steam escaping into the room a suitable condenser is provided and so connected with the relief port as to receive the steam therefrom and a suitable re ceptacle is provided to receive the water of condensation from the condenser. In the construction hero shown a receptacle 8 having a central. opening 9 fits snugly about the tube l and 'me'lcrably res s upon the lid2 of the cooker. The tube the opening of the receptacle in such a i'nanner as to secure the receptacle to the tube and permit the parts to be removed as a unit. li lountedabout the outer end of the tube 4: is a cylindrical casing 10 supported upon the bottom of the receptacle 3. This casing is oi a diameter greater than the dii'nncter oi the ball valve 7 and is of such a height that it will extend some distance beyond the end of the tube l. The casing has two :t'unctions. It serves as a guide to return the ball valve to its seat when it has been displaced therefrom, the internal diameter ol the casing being such that when the device is moved to a vertical position the ball will be moved by gravity to its seat on the end of the tube 4.

Patented N (iv. 17, 1914b In addition to this function the casing constitutes a conoensing chamber within which the steam escaping about the valve is condensed either in part or in whole. The water of condensation esca 'ies from the condenser proper to the receptacle 8 through notches or passageways ll tor-med at the bottom of the casing 10. lhe upper end of the receptacle 8 is losed by means of acollar 12 having inturned edges and of such a width that it will fit snugly between the circumferential wall of hereceptacle and the casing 10, thus formi not only a snug closure for the recep but also forming support for the casing 1.0, whereby the latter is retained in its plODGl' position with relation to the tube and the valve. Any steam which may not be condensed within the casing 10 will escape through the openings 11 into the receptacle 8 and will be further condensed it in this receptacle. Usually all the steam v. ll be condensed but should any of it remain uncondensed after passing through the water it may escape to the atmosphere through an opening or openlugs 13 formed in the collar or closure 12. Preferably tl closure slopes slightly from the wall of the receptacle 8 toward. the wall of the casing 10 and any water of condensation which may collect upon the exterior of the closure will pass through the openings into the receptacle 8.. Vv hen the device is placed in position on the hinged closure of the cooker it is preferably arranged with the openings 13 adjacent to that edge of the closure opposite the hinges. Consequently, when the closure is moved into its open position the water within the receptacle will not escape through the openings 13 but will be retained within the receptacle. To on able the receptacle to be emptied a small opening 1 is provided and is preferably arranged near the outer wall of the receptacle adjacent to the openings 13. By removing the device from the lid the water can be readily poured through this small opening. The opening 14- being much smaller than the openings 13 it will be apparent that no water will be forced out through this. smaller opening.

The operation of the device will be clearly understood from the foregoing description and it will be apparent that l have provided a very simple, inexpensive relief valve which will be positive in its operation and which can not be readily disarranged or broken; that l have provided in connection with this relief valve a condensing chamber in which the escaping steam is condensed and the water of condensation delivered to a receptacle. Further, it will be apparent that while the construction of this receptacle is such that it can be readily emptied when desired, the water will not spill when the lid on which the device is mounted is moved into its open position.

llhile l have shown and described one embodiment of the invention it will be understood that this form is chosen for the purpose of illustration only and that I do not wish to be limited to the details of construction shown and described, for obvious modifications illoccur to a person skilled in the art.

Having thus fully cescribed my invention, what I claim as new and desire to secure by Letters Patent, is

1. ln tireless cooker, a valve-controlled tube communicating with the interior thereof, a casing inclosing the outer end of said tube and constituting acondenser, and a re ceptacle communicating with said casing to receive the products of condensation therefrom.

In a tireless cooker, a tube communicatingwith the interior thereof, a valve to con trol the passage of steam through said tube, a receptacle extending about said tube, a casing mounted about said tube, extending within said receptacle, communicating therewith and having its outer end closed, a collar fitting between the outer wall. of said receptacle and said casing to form a closure for the former and having an openingtherein.

8. In a fireless cooker, a tube communicating with the interior thereof, a valve to control the passage of steam through said tube, a. receptacle extending about said tube, a casing mounted about said tube, extending within receptacle, communicating therewith and having its outer end closed, .a collar fitting snugly between the outer wall of said receptacle and said casing, sloping toward said casing and having a series of openings near said casing, and a smaller opening near the wall of the receptacle.

4:. In a tireless cooker having a hinged lid, an outlet tube mounted in said lid and com municating with the interior of said cooker, a valve to control the passage of steam through said tube, a casing surrounding the outer end of said tube and constituting a condenser, a receptacle surrounding said casing and communicating therewith,aclosure for said receptacle, an openingin said closure on that side of said casing opposite the hinged edge of said lid.

5. In a tireless cooker, a tube communicating with the interior of said cooker and having a valve seat at its outer. end, a ball valve supported on said seat, a casing surrounding the end of said tube, spaced away therefrom and constituting both a guide for said ball valve and a condenser.

6. In a firelessc'ooker having a tiltable closure provided with a valve-controlled relief port, a casing inclosing said port and constituting a condenser, a receptacle mounted on said closure and communicating with said condenser, said receptacle having an outlet normally arranged in a position to prevent the escape of water therefrom when the closure is moved to its open position.

7. In a fireless cooker having a hinged clo sure provided with a valve-controlled relief port, a casing surrounding said relief port and constituting a condenser, a receptacle communicating with said casing, having its upper end closed and provided with outlet openings on that side thereof opposite the hinged edge of said closure, whereby when said closure is moved to its open position said opening will be on the high side of said receptacle.

8. In a iireless cooker having a hinged closure provided with an opening, a valve-controlled tube removably mounted in said opening, a casing surrounding the outer end of said tube and supported thereby, said casing constituting a condenser, a receptacle mounted on said tube, and communicating with said casing, and a closure for the outer end of said receptacle, said receptacle having an opening there-in through which the water within the same may be discharged when said tube has been removed from said closure.

9. The combination, with a fireless cooker havinga relief port, of a tube removably mounted in said port, a valve to control the flow of fluid through said tube, and a condenser cooperating with said tube and Surrounding the outer end thereof.

10. The combination, with a tireless cooker having a relief port, of a tube removably mounted in said port, a valve to control the flow of fluid through said tube, a condenser cooperating with said tube and surrounding the outer end thereof, and a receptacle arranged about said condenser and communicating therewith to receive the products of condensation therefrom.

11. In a device of the character described, a tube, a valve to control the flow of steam through said tube, and a condenser surrounding the end of said tube and cooperating therewith to condense the steam which escapes about said valve.

12. In a device of the character described, a tube, a valve to control the flowof fluid through said tube, a receptacle communicating with said tube at a point removed from one end thereof, and a condenser secured to 'aid receptacle and surrormding the end of said tube.

In testimony whereof, I allix my signature in presence of two witnesses.

HECTOR KIBELE.

WVitnesses:

HENRY L. Ronny, Bnn'rna NICKLES.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents.

Washington, D. G. 

